When my Exchange 2007 system was initially setup, the e-mail address policy was setup to generate %m@DOMAIN.EDU. So all all new mailboxes have the e-mail domain in all capital letters. How can I change that so it is %m@domain.com?Is that possible? If so, how do I do it?

Sure, you just need to edit the policy: How to Edit an E-Mail Address Policy http://technet.microsoft.com/en-us/library/bb201663(EXCHG.80).aspx

See also Henrik Walther: Managing E-Mail Address Policies in Exchange Server 2007http://www.msexchange.org/articles_tutorials/exchange-server-2007/management-administration/managing-email-address-policies.htmlMCTS: Messaging | MCSE: S+M | Small Business Specialist